| 摘要 |
PURPOSE: A dust collector is provided to easily discharge dust using the weight of the dust and the collision force of a protector, and to prevent damage to a filter using a protector. CONSTITUTION: A dust collector comprises a protector unit(200), a filter unit(300), and a fan unit(500). The protector unit has a dust suction port(210), a dust discharge port(230), and a protector(220). The dust suction port inhales dust generated when a drill rod is excavated. The dust discharge port discharges the dust to outside. The protector guides the dust to the dust discharge port. The filter unit filters air inhaled through the dust suction port and the protector unit. The fan unit generates pressure for inhaling the dust.
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